Maximus XI Hero M.2 Slots Review 2026 Update

The ASUS ROG Maximus XI Hero motherboard's M.2 slots remain relevant in 2026 for PCIe upgrades. This review covers its three slots, compatibility with Gen5 SSDs via adapters, and performance.

Built on Z390 chipset, it supports up to 11GB/s speeds with tweaks.

M.2 Slot Configuration Overview

Slot 1: CPU PCIe 3.0 x4. Slots 2/3: Chipset x4. All 2280/22110.

SupremeFX audio nearby, no conflicts.

  • Heatsinks standard.
  • RAID 0/1/5/10.
  • Optane compatible.

2026 Compatibility and Upgrades

Use PCIe 5.0 risers for newer SSDs. BIOS flash to latest.

  • Samsung 990 Pro fits perfectly.
  • 4TB max per slot.
  • Thermal throttling rare.

Installation and Benchmarks

Easy access post-GPU removal. CrystalDiskMark hits 3500MB/s read.

  • Tools: Spudger, screwdriver.
  • Cable routing tips.
  • Overclock synergy.

Pros, Cons, and Alternatives

Pros: Robust VRM, RGB. Cons: Aging chipset. Alt: Z790 Hero.

  • Value for budget builds.
  • Gaming/storage beast.
  • Future-proofing scores 8/10.

Frequently Asked Questions

How many M.2 slots on Maximus XI Hero?

Three, with full PCIe speeds.

Supports PCIe 4.0 SSDs?

Yes, via x4 lanes effectively.

Best SSD for these slots?

WD Black SN770 for balance.

RAID setup possible?

Yes, configure in BIOS.

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